ATI is notorious for crappy driver support under win2k, especially in the area of video capture devices. I don't actually have one of these cards. So, I'm not speaking from personal experience, but I have heard of many people having major issues with these cards under win2k. I'm talking about trying to capture video and the system locks up hard or reboots. Anyway, if you haven't actually purchased this card yet and your planning on using it with win2k you might want to look at some other brand like maybe Hauppauge.